Super Insulated Roof

Insulation is your primary defense against heat loss through the house envelope.

Super insulated roof.

This is not just to match the overhang on the front. Super insulate the building envelope step 5. Very high levels of insulation typically r 40 rsi 7 walls and r 60 rsi 10 6 roof corresponding to si u values of 0 15 and 0 1 w m k respectively. There are lots of ways to insulate a low slope roof and most of them are wrong.

Yes even in our mild east tennessee climate we wish to maximize our heating and cooling and minimize the losses. Heat losses through the wall roof and floor together amount to over 45 of all the heat a typical house loses. Skip navigation sign in. Find yourself an architect who gets it and helps make it invisible.

Because my husband is a frugal man and conscious of heating cooling costs plus very interested in energy efficiency we are making a super insulated home. Blow insulation onto a flat ceiling. Can t tell this roof is a super insulated over roof which was the whole point. Updated on april 8 2016.

It s been around for years. Why a super insulated cabin roof. In older buildings the usual method is to install fiberglass batts or cellulose on top of the leaky ceiling with a gap of a few inches or sometimes a few feet between the top of the insulation and the roof sheathing. This video is unavailable.

Frugal living at its best. Holladay says that one of the best ways to insulated any roof is with rigid foam on top of the roof sheathing. Icynene super insulated roof system. In this energy smart details article fhb senior editor martin holladay describes the best way to approach building an unvented super insulated roof.

Details to ensure insulation continuity where walls meet roofs foundations and other walls. In the summer heat entering through the roof and walls in particular account for one fourth of your cooling needs. This stuff needs to be invisible or it will not happen. Ample vertical space about 22 inches is ideal exists under most roof slopes to achieve r 60 insulation.

Your plan violates the 2006 irc section r806 4 which requires the use of air impermeable insulation when the insulation is applied directly to the underside of the roof sheathing. However there is one tight. Thermo ply sheathing is not a new product. Icynene super insulated roof system.

Notice the increase in overhang dimension on the gable ends.